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Meaning of deliriant

de•lir•i•ant

Pronunciation: (di-lēr'ē-unt), [key]
— adj.
  1. involving or causing delirium.
—n.
  1. a substance, as a compound or drug, that causes delirium.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.